<template>
  <PageWrapper title="标签页+多级field表单" v-loading="loading">
    <div class="mb-4">
      <a-button @click="handleReset" class="mr-2"> 重置表单 </a-button>
      <a-button @click="handleSetValues" class="mr-2"> 设置默认值 </a-button>
      <a-button @click="handleSubmit" class="mr-2" type="primary">
        提交表单
      </a-button>
    </div>
    <CollapseContainer title="标签页+多级field表单">
      <Tabs v-model:activeKey="activeKey">
        <TabPane
          v-for="item in tabsFormSchema"
          :key="item.key"
          v-bind="omit(item, ['Form', 'key'])"
        >
          <BasicForm @register="item.Form[0]" />
        </TabPane>
      </Tabs>
    </CollapseContainer>
  </PageWrapper>
</template>

<script lang="ts">
import { ref, defineComponent } from "vue";
import { Tabs } from "ant-design-vue";
import { useMessage } from "$/hooks/web/useMessage";
import { omit } from "lodash-es";
import { deepMerge } from "$/utils";
import {
  FormSchema,
  useForm,
  FormProps,
  UseFormReturnType,
} from "$/components/Form";

export default defineComponent({
  name: "TabsFormDemo",
  components: { Tabs, TabPane: Tabs.TabPane },
  setup() {
    type TabsFormType = {
      key: string;
      tab: string;
      forceRender?: boolean;
      Form: UseFormReturnType;
    };

    const { createMessage } = useMessage();
    const activeKey = ref("tabs2");
    const loading = ref(false);
    const tabsFormSchema: TabsFormType[] = [];

    // 公共属性
    const baseFormConfig: Partial<FormProps> = {
      showActionButtonGroup: false,
      labelWidth: 100,
    };

    // 为每个字段模拟默认值, { tabs1: { field1: '', field2: '' }, tabs2: { field1: '' }, ... }
    const mockDefaultValue: Recordable = {};

    // 模拟5个标签页
    for (let i = 1; i <= 5; ++i) {
      const tabsKey = `tabs${i}`;

      // 每个标签页8个字段
      const schemas: FormSchema[] = [];
      const row: Recordable = {};

      for (let j = 1; j <= 8; ++j) {
        schemas.push({
          field: `${tabsKey}.field${j}`,
          label: `${tabsKey}-field${j}`,
          component: "Input",
          colProps: { span: 24 },
        });
        row[`field${j}`] = `field: ${tabsKey}.field${j}, default value`;
      }

      mockDefaultValue[tabsKey] = row;

      tabsFormSchema.push({
        key: tabsKey,
        tab: tabsKey,
        forceRender: true,
        Form: useForm(Object.assign({ schemas }, baseFormConfig) as FormProps),
      });
    }

    async function handleReset() {
      for (const item of tabsFormSchema) {
        const { resetFields } = item.Form[1];
        await resetFields();
      }
    }

    async function handleSubmit() {
      let lastKey = "";
      loading.value = true;
      try {
        const values: Recordable = {};
        for (const item of tabsFormSchema) {
          lastKey = item.key;
          const { validate, getFieldsValue } = item.Form[1];
          await validate();
          // 表单已支持多级key
          deepMerge(values, getFieldsValue());
        }

        console.log("submit values: ", values);
        createMessage.success("提交成功！请打开控制台查看");
      } catch (e) {
        // 验证失败或出错，切换到对应标签页
        activeKey.value = lastKey;
        console.log(e);
      } finally {
        loading.value = false;
      }
    }

    async function handleSetValues() {
      console.log("默认值为: ", mockDefaultValue);
      for (const item of tabsFormSchema) {
        const { setFieldsValue } = item.Form[1];
        await setFieldsValue(mockDefaultValue);
      }
    }
    return {
      omit,
      loading,
      activeKey,
      tabsFormSchema,
      handleReset,
      handleSubmit,
      handleSetValues,
    };
  },
});
</script>

<style scoped></style>
